Step
| Action
| Value(s)
| Yes
| No
|
1
| Is the LOW COOLANT indicator off with the coolant level low ?
| --
| Go to
Step 2
| Go to
Diagnostic System Check - Instrument Cluster
|
2
|
- Disconnect the engine coolant level indicator module connector.
- Turn the ignition to RUN.
- Connect a 3 amp fused jumper between the engine coolant
level indicator module connector terminal B and ground.
Is the low coolant warning indicator on?
| --
| Go to
Step 3
| Go to
Step
6
|
3
| Connect a 3 amp fused jumper between the engine
coolant level indicator module connector terminals B and C.
Is the low coolant warning indicator on?
| --
| Go to
Step 4
| Go to
Step
5
|
4
|
- Inspect for a poor connection at the engine coolant level indicator
module connector.
- If the connection is OK, replace the engine coolant level indicator
module. Refer to
Coolant Level Module Replacement
in Engine Cooling.
- Inspect the system.
Is the symptom still present?
| --
| Go to
Diagnostic System Check - Instrument Cluster
| System OK
|
5
|
- Repair a poor connection or an open in CKT 451 between
the engine coolant level indicator module harness connector terminal C and
G117.
- Inspect the system.
Is the symptom still present?
| --
| --
| System OK
|
6
| Inspect for a poor connection or
an open in CKT 68.
Is there a poor connection or an open in CKT 68?
| --
| Go to
Step 7
| Go to
Step 8
|
7
|
- Repair a poor connection or an open in CKT 68.
- Inspect the system.
Is the symptom still present?
| --
| --
| System OK
|
8
|
- Replace the instrument cluster. Refer to
Instrument Cluster Replacement
.
- Inspect the system.
Is the symptom still present?
| --
| Go to
Diagnostic System Check - Instrument Cluster
| System OK
|
